<!DOCTYPE html>
<html lang="en">
  <head>
  </head>
  <body>
    <div id="calculator">
      <div id="c_value">
        <ul>
          <li class="number">
            0
          </li>
          <li class="number">
            1
          </li>
          <li class="number">
            1
          </li>
          <li class="number">
            3
          </li>
          <li class="number">
            4
          </li>
          <li class="number">
            7
          </li>
          <li class="number">
            8
          </li>
          <li class="number">
            8
          </li>
          <li class="number">
            9
          </li>
          <li class="number">
            9
          </li>
        </ul>
      </div>
    </div>
  </body>
</html>
